<?php

namespace app\admin\controller\chase;

use app\common\controller\Backend;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\Session;

/**
 * 用户余额变动明细管理
 *
 * @icon fa fa-circle-o
 */
class UserBalanceLog extends Backend
{
    
    /**
     * UserBalanceLog模型对象
     * @var \app\admin\model\chase\UserBalanceLog
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\chase\UserBalanceLog;
        $this->view->assign("sceneList", $this->model->getSceneList());
    }
    
    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    /**
     * 查看
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $total = $this->model
                ->with('user')
                ->where($where)
                ->order($sort, $order)
                ->count();

            $list = $this->model
                ->with('user')
                ->where($where)
                ->order($sort, $order)
                ->limit($offset, $limit)
                ->select();

            $list = collection($list)->toArray();
            array_walk($list, function (&$val) {
                $val['money'] = $val['money'] > 0 ? '+'.$val['money'] : $val['money'];
            });
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 添加
     */
    public function add()
    {
        $user_id = $this->request->get('user_id');
        $user = \app\admin\model\chase\User::find($user_id);
        if (!$user) {
            $this->error('用户不存在');
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);
                switch ($params['type']) {
                    case 1:
                        $user->money += $params['money'];
                        break;
                    case 2:
                        if ($user->money < $params['money']) {
                            $this->error('减少金额不能大于账号余额');
                        }
                        $user->money -= $params['money'];
                        $params['money'] = -$params['money'];

                        break;
                    case 3:
                        $money = $params['money'] - $user->money;
                        $user->money = $params['money'];
                        $params['money'] = $money;
                        break;
                }
                $admin =  $admin = Session::get('admin');
                if (!$admin) {
                    $this->error('当前管理员没有权限');
                }
                $params['description'] = '后台管理员【'.$admin['nickname'].'】操作';
                $params['scene'] = 3;
                $params['user_id'] = $user_id;
                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                        $this->model->validateFailException(true)->validate($validate);
                    }
                    $result = $this->model->allowField(true)->save($params);
                    //更新用户账号余额
                    $user->save();

                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->assign('money', $user->money);
        return $this->view->fetch();
    }

}
